>> can mitt romney and paul ryan count on your support this november election? excellent. and, would you be interested in voting early this election? >> reporter: karen is credited with making the iowa gops 1 millionth voter call this cycle. >> issues that matter to iowa. >> reporter: she's doing her part now as republicans play early voting catch. >> you know, we're working hard here, we're rolling up our sleeves and putting our boots on and we're going at it. so, we still have time. >> reporter: john king, cnn, iowa city, iowa. >>> and lots more ahead as "cnn newsroom" continues with fredricka whitfield. >> i can't believe it's under 40 days under election day. it went by like this, after all. >> i'm sure a lot of people are happy a about this. >> it's true, too. we'll elaborate on that later, too. good to see you, appreciate it. >>> for now, we'll begin with new information on an investigation into a decade's old mystery, the disappearance of former teamster's boss jimmy hoffa. crews digging under a michigan shed for his possible remains say they did not find any bones,